feat(proxy): add script proxy conf variable

projects/solidify-frontend/src/lib/proxy/public_api.ts

-/*-
- * %%----------------------------------------------------------------------------------------------
- * Solidify Framework - Solidify Frontend - public_api.ts
- * SPDX-License-Identifier: GPL-2.0-or-later
- * %----------------------------------------------------------------------------------------------%
- * Copyright (C) 2017 - 2023 University of Geneva
- * %----------------------------------------------------------------------------------------------%
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program.  If not, see
- * <http://www.gnu.org/licenses/gpl-2.0.html>.
- * ----------------------------------------------------------------------------------------------%%
- */
-
-export * from "./lib/public_api";